Characteristics of Coal Gangue and Present Situation and …
网页2024年6月4日 · The origin, type, composition and geological characteristics of coal gangue should be discussed from the aspects of coal accumulation, diagenetic characteristics and geological functions, the database of physical and chemical properties, resources and environmental properties and spatial distribution of coal gangue solid waste should be ...
Representative coal gangue in China: Physical and chemical …
网页2024年2月1日 · In the traditional coal mining practice, gangue waste is piled up on the surface to form a gangue hill. The distribution of CG is characterized by being more abundant in the northern and western regions of China and less abundant in the southern and eastern regions.
Comprehensive utilization and environmental risks of coal gangue: A ...
网页2019年12月1日 · The amount of coal gangue, a by-product of coal mining and washing, is rapidly increasing with the growing trend of energy consumption. The accumulated coal gangue without appropriate utilization has resulted in a squander of resources, waste disposal and environmental pollution issues.
Effects of long‐term coal gangue dumping on soil chemical …
网页2024年8月23日 · Coal gangue hill, a significant anthropogenic interference, can cause various forms of land degradation. The promoting effect of coal gangue on soil qualities has also been discovered. However, few studies investigated the soil properties and microbiome of prolonged gangue hills.
Opportunities, challenges and modification methods of coal gangue …
网页2024年9月7日 · The persistent reliance on coal has resulted in the accumulation of substantial coal gangue, a globally recognized problematic solid waste with environmental risks. Given the coal gangue properties and global land degradation severity, the resourceful utilization of coal gangue as soil conditioners is believed to be a universally applicable, cost-effective, high-demand and environment-friendly ...
Excess sulfur and Fe elements drive changes in soil and ... - Nature
网页2020年6月26日 · The results suggested that coal gangue significantly influences soil S, pH and plant species after 8 years of natural recovery. The CK-far plots contained relatively low soil sulfur content ...
The Sustainable Utilization of Coal Gangue in Geotechnical and ...
网页2022年4月6日 · Among coal mining-related wastes, coal gangue (CG) is the heterogeneous waste generated during the mineral processing or coal washing phase of coal mining. A thorough understanding of environmental concerns associated with the current model of CG utilization and potential future application is …
Influence of coal gangue mulching with various thicknesses and …
网页2021年7月28日 · Coal gangue occupies large swathes of land resources, resulting in ecological fragility and various environmental problems. Despite coal gangue having mineral elements similar to those in...
Effect of Physical and Chemical Properties of Coal Gangue Under ...
网页2020年4月30日 · This paper investigated the influence of physical and chemical properties of coal gangue under different geological conditions and aggregate replacement rate (0, 30%, 60%, 100%) on the compressive strength of coal gangue concrete (CGC).
Review of Coal Gangue Characteristics and Ecological Restoration ...
网页2021年5月1日 · In this paper, the physical, chemical and pollution characteristics of coal gangue are summarized, and the ecological restoration mode is divided into two modes: traditional "end treatment" and "treatment while piling". The action mechanism, advantages and disadvantages and application scope of various ecological restoration technologies ...
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